- 1791 to 17991
- 1800 to 18190
- 1820 to 18392
- 1840 to 18593
- 1860 to 18798
- 1880 to 18999
- 1900 to 191924
- 1920 to 193913
- 1940 to 19502
The preservation of the Duke University Libraries Digital Collections and the Duke Digital Repository programs are supported in part by the Lowell and Eileen Aptman Digital Preservation Fund